CVE-2007-4657 Integer overflow in n/a

What is CVE-2007-4657?

CVE-2007-4657 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 4 Sep 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple integer overflows in PHP 4 before 4.4.8, and PHP 5 before 5.2.4, allow remote attackers to obtain sensitive information (memory contents) or cause a denial of service (thread crash) via a large len value to the (1) strspn or (2) strcspn function, which triggers an out-of-bounds read. NOTE: this affects different product versions than CVE-2007-3996.

Weakness: CWE-189, CWE-119

Which versions are affected by CVE-2007-4657?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Php Php.

How do I fix CVE-2007-4657?

Upgrade to a fixed version.

Is CVE-2007-4657 being exploited?

There is no known exploitation of CVE-2007-4657 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-43ww-xqjh-ppmf.